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