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