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