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