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