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