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