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