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