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