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