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