Actually, for money saving you can just ride bus no. S56 from Terminal 1 to Tung Chung Station(東涌站), then get into the MTR station and hop on the Tung Chung Line. In Sunny Bay Station hop off the train, and ride the Disneyland Resort Line(迪士尼綫)to Disneyland station at the same station. The time needed is two minutes longer but it saves you more than 40 HKD, which is 800 Japanese yen.