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