If you want to make a shower look cool and unique, create a rain shower bathroom would be right choice for you. Rain shower can make you have some awesome bathing experience, and is also a place where you can quickly relax after a hard working day.
Put the toilet where the tub is, don't have a tub, put a double bowl vanity where it shows the single bowl sink. My layout would have the door into the bathroom coming in to the left of where the tub is shown. Eliminate everything to the left of that.