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