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