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