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