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