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