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