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