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