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