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