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