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