So have been tying to get into 
again as A:she was the first champion I got and B:she was also the first champ I got a skin for,i randomly got an unmasked kayle shard for one of my first chests when I started
I have looked up builds,and she appears to just be in every lane in every role...idk about doing her top due to the fact she does not appear tanky like lets say,about every other top laner besides 
and 
as her build shows AP/attack speed
Like seriously Wanna go top Kayle Can Do It Wanna jungle ? Kayle Can Do It Wanna go mid ? Kayle Can Do It Wanna Support ? Kayle Can Do It Wanna Adc ? Kayle Can Do It Wanna Build AD Kayle Can Do It Wanna build AP Kayle Can Do It Wanna build Attack Speed Kayle Can Do It Wanna build a Tank ? Kayle Can Do It Wanna neglect damage harder than my mother neglected me Kayle Can Do It Wanna skin that is so goddamn amazing you bought it TWICE Kayle Can Do It Wanna collect free upvotes cause Kayle can do anything Kayle Can Do It Wanna Have a W that bails out of shit fast than my Dad did when he realized I was retarded Kayle Can Do It
She's a top laner, she bullies a lot of top laners because she shreds MR, meaning its hard to go defensive vs her, and she's ranged which pokes out a lot of champions in the top lane (either fighters/divers/skirmishers who get too low to fight from just trying to last hit, or tanks who do no return damage and just get shredded for trying to build against her)
She's also situationally a mid laner, she's not good in the mid lane right now, but whenever the mid lane is melee dominate (like when yasuo was a mid laner, and zed pick/ban) she bullies the hell out of them too, and theoretically she's still strong in those niche matchups.
Its also possible to play her in the jungle, but its more of a one trick thing, wouldn't recommend doing in ranked.
Support is dead, she's so outclassed as a support and does nothing at the moment that other stuff can't do 100x better.
Kayle is generally used in Top lane as a bully to most melee matches her goal is to snowball the lane early in order to compensate of the lack of tankiness that she brings. She does very well in mid to late game with her ultimate as she can easily dive in to kill squishes and can also do very well in split pushes.
She does have sporadic play time in mid and occasionally Jungle, she can also work out in bot lane but it's very uncommon because of better reliable picks.
