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