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