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