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