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