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