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)(11,19)(12,17)(13,15)(14,18)(16,20)(21,23)(22,24) involution — undirected(10,15)(11,20)(12,13)(16,24)(17,18)(19,23) involution — undirected(2,6)(3,4)(7,8)(9,11,13,22,14,20,12,21)(10,16,17,24,18,19,15,23)(1,3,5,4)(2,7,8,6)(9,12,14,13)(10,17,18,15)(11,21,20,22)(16,24,19,23)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.