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