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