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