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