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