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