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