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