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