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