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