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