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