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