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