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