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