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