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