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)(29,30)(31,37)(32,34)(33,40)(35,39)(36,41)(38,43)(42,44)(6,9)(10,12)(16,24)(19,26)(22,28)(25,27)(30,32)(33,41)(35,37)(38,42) involution — undirected(5,6)(7,10)(8,9)(11,12)(13,14)(15,21)(16,19)(17,20)(18,23)(22,27)(24,26)(25,28)(29,31)(30,35)(32,37)(33,42)(34,39)(36,44)(38,41)(40,43) involution — undirected(1,2,3,4)(13,15,17,23)(14,18,20,21)(16,22,24,28)(19,25,26,27)(29,32,34,30)(31,37,39,35)(33,40,41,36)(38,44,42,43)(5,7,8,11)(6,10,9,12)(13,16,17,24)(14,19,20,26)(15,22,23,28)(18,25,21,27)(29,33)(30,36)(31,38)(32,40)(34,41)(35,43)(37,44)(39,42)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.