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