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