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)(13,14,17,22,18,21,29,36)(15,19,25,32,23,30,37,41)(16,20,27,35,28,34,40,44)(24,31,38,42,26,33,39,43)(6,9)(10,12)(13,15)(14,19)(16,26)(17,25)(18,23)(20,33)(21,30)(22,32)(24,28)(27,39)(29,37)(31,34)(35,43)(36,41)(38,40)(42,44) involution — undirected(1,2,3,4)(15,23)(19,30)(24,26)(25,37)(31,33)(32,41)(38,39)(42,43)(13,16,17,27,18,28,29,40)(14,20,22,35,21,34,36,44)(15,24,25,38,23,26,37,39)(19,31,32,42,30,33,41,43)(5,7,8,11)(6,10,9,12)(14,21)(19,30)(20,34)(22,36)(31,33)(32,41)(35,44)(42,43)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.