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