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