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