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