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