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