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