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