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