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