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