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