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