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