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