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