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