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