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