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