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