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