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