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