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