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