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