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