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