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