One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6)(7,11)(8,10)(9,12)(13,14)(15,25)(16,21)(17,23)(18,22)(19,24)(20,27)(26,41)(28,39)(29,36)(30,37)(31,38)(32,40)(33,35)(34,43)(42,44) involution — undirected(5,7)(6,9)(8,12)(10,11)(13,15,18,27)(14,20,22,25)(16,29,30,33)(17,32,28,19)(21,35,37,36)(23,24,39,40)(26,42,43,31)(34,44,41,38)(1,2,3,4)(13,16,19,31,18,30,32,42)(14,21,24,38,22,37,40,44)(15,26,28,29,27,43,17,33)(20,34,23,35,25,41,39,36)(6,10)(9,11)(14,22)(16,30)(20,25)(23,39)(24,40)(26,43)(29,33)(31,42) involution — undirected(7,12)(9,11)(13,17,32,27,18,28,19,15)(14,23,40,20,22,39,24,25)(16,29,42,26,30,33,31,43)(21,36,44,41,37,35,38,34)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.