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