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