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