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