One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(6,7)(9,10,13,14)(11,15,12,16)(17,18,21,24)(19,22,28,30)(20,23,29,25)(26,31,27,32)(5,6,8,7)(10,14)(15,16)(17,19,21,28)(18,22,24,30)(20,26,29,27)(23,31,25,32)(2,4)(5,7,8,6)(9,11,13,12)(10,15,14,16)(18,23)(19,26)(20,29)(24,25)(27,28)(31,32)(9,12,13,11)(10,15,14,16)(18,24)(22,30)(23,25)(31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.