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