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