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