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