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