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