Seating chart

I would love to have an option to have create a seating chart to my lesson plans with an option to print out. I have to turn one in with my lesson plans. It would be nice to have them as little colored squares with many options of colors (individual colors could represent anything I want…IEP, behavioral issue, medical issue, at risk student, etc. I want to be able to move and drop the colored box anywhere I need it within a grid and it will allow me to type in my student names or #'s if need be.