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