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