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