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