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