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