is there a way to tell which side youre on with the new ranked interface

Your adc and bot will be placed slightly to one side (one of them will be diagonal to the other in the direction of the side you are on). Your icon if you're mid or top will be slightly on your side. Your jungler's icon will always clearly be in one jungle on one side of the map.

You can't tell with first pick anymore? I haven't even though to check if it is the same.

If you look at the map, it shows best, the ADC/Support section.

I agree though, it's a bit tricky and annoying, would be nice if it was cleaned up.