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