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