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