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