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)(19,20,25,24)(21,29,31,26)(27,30,32,28)(6,8)(9,11,13,15)(10,14,16,12)(18,23)(19,25)(26,29)(27,32)(5,6)(7,8)(9,10)(11,14)(12,15)(13,16)(17,19,22,25)(18,24,23,20)(21,27,31,32)(26,30,29,28)(1,2)(3,4)(9,10)(11,14)(12,15)(13,16)(17,20,22,24)(18,25,23,19)(21,30,31,28)(26,27,29,32)(9,12,13,14)(10,15,16,11)(17,21,22,31)(18,26,23,29)(19,27,25,32)(20,28,24,30)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.