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