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