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