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