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