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