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