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