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)(17,20)(21,33)(22,28)(23,34)(24,40)(27,35)(30,32)(36,44)(37,41)(38,39)(42,43)(6,9)(7,11)(13,14,20,34,18,23,17,19)(15,24,35,33,26,21,27,40)(16,28,32,38,31,39,30,22)(25,41,43,36,29,44,42,37)(2,4)(5,6)(7,10)(8,9)(11,12)(13,15)(14,21)(16,29)(17,27)(18,26)(19,33)(20,35)(22,37)(23,24)(25,31)(28,41)(30,43)(32,42)(34,40)(36,38)(39,44) involution — undirected(6,9)(10,12)(13,16,18,31)(14,22,23,38)(15,25,26,29)(17,32,20,30)(19,28,34,39)(21,36,24,37)(27,43,35,42)(33,44,40,41)(5,7,8,11)(6,10,9,12)(14,23)(15,26)(19,34)(22,38)(25,29)(27,35)(28,39)(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.