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)(15,21)(16,22)(17,23)(18,20)(19,24)(25,37)(26,36)(27,33)(28,40)(29,39)(30,38)(31,35)(32,34)(41,43)(42,44)(5,6)(7,11)(8,10)(9,12)(14,20)(15,25)(16,28)(17,18)(21,35)(22,38)(23,24)(26,41)(29,42)(30,32)(33,37)(43,44) involution — undirected(2,4)(5,7,8,12)(6,9,10,11)(13,15)(14,21)(16,29)(17,31)(18,27)(19,25)(20,33)(22,39)(23,35)(24,37)(26,30)(28,41)(32,42)(34,44)(36,38)(40,43)(7,12)(9,11)(13,16)(14,22)(15,26)(17,28)(18,32)(19,30)(20,34)(21,36)(23,40)(24,38)(25,29)(27,41)(31,42)(33,43)(35,44)(37,39) involution — undirected(6,10)(9,11)(13,17,19,18)(14,20,24,23)(15,27,25,31)(16,28,30,32)(21,35,37,33)(22,34,38,40)(26,41,29,42)(36,44,39,43)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.