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