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