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)(17,18,22,25)(19,26,24,21)(20,23,29,31)(27,32,30,28)(1,2)(3,4)(9,11,13,12)(10,14,16,15)(17,19,21,18,22,24,26,25)(20,27,28,23,29,30,32,31)(2,4)(9,11,13,12)(10,15,16,14)(17,20,22,29)(18,23,25,31)(19,27,24,30)(21,28,26,32)(9,12,13,11)(10,14,16,15)(18,19)(21,26)(23,27)(24,25)(28,32)(30,31)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.