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