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