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