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