You can take ferry to Hong Kong Macau Ferry Terminal and then take MTR from Hong Kong station to Tung Chung Station, there you can store you luggage at Citygate Outlet Mall and then take Ngong 360 Cable Car to Giant Budda and the Polin Monastery, after the visiting, you can take Bus 23 down the hill and then shoppin in the citygate outlets, if you are not interested in shopping, you can take bus to Tai O village, after that getting back to Tung Chung Station and then take Bus S1 to Hong Kong International Airport, the bus takes around 15 minutes to reach the airport.