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