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