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)(15,24)(20,35)(25,40)(26,34)(27,41)(31,44)(36,37)(39,42) involution — undirected(2,4)(5,7,8,11)(6,9,10,12)(13,14)(15,25)(16,21)(17,22)(18,30)(19,33)(20,27)(23,32)(24,40)(26,42)(28,38)(29,43)(31,36)(34,39)(35,41)(37,44)(6,10)(9,12)(13,15)(14,20)(16,26)(17,24)(18,31)(19,34)(21,36)(22,35)(23,39)(25,30)(27,32)(28,41)(29,44)(33,37)(38,42)(40,43) involution — undirected(2,4)(13,16,17,19)(14,21,22,33)(15,26,24,34)(18,28,29,32)(20,36,35,37)(23,30,38,43)(25,42,40,39)(27,31,41,44)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.