One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(9,10,13,15)(11,16,12,14)(17,18)(19,25)(20,28)(21,26)(22,23)(24,27)(29,31)(30,32)(2,5)(6,8)(9,11,13,12)(10,14,15,16)(17,19,21,22)(18,23,26,25)(20,27,30,29)(24,28,31,32)(11,12)(14,16)(17,20,21,30)(18,24,26,31)(19,27,22,29)(23,28,25,32)(1,3,4,7)(2,6,5,8)(9,12,13,11)(10,14,15,16)(11,12)(14,16)(17,19,21,22)(18,25,26,23)(20,29,30,27)(24,28,31,32)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.