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