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