1. There are three colors of taxis in Hong Kong. Red ones can cover most Hong Kong destinations except Tung Chung Road and roads in south Lantau Island. Green cabs run around in New Territories and on some appointed roads on Lantau Island. Blue taxis serve most destinations on Lantau Island.
2. There is no free shuttle bus can directly take you from the airport to the hotel and vice versa. If you take the airport express train to Kowloon Station, you could catch the free express bys service from Kowloon station to the hotel.