Here is the PDF.
http://disneycruise.disney.go.com/media/dcl_v0400/Site/DCLContent/Media/Assets/ShipsActivities/Ships/mw-deck.pdf
Here is a deck by deck list. Scroll down and on the right click the deck you would like to see.
http://www.cruisedeckplans.com/DP/deckplans/Disney-Magic