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