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