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