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