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