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