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