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