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