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