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