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