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