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