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