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