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