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