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