There is no subway between Shanghai Pudong airport and Hangzhou. You can easily find bus them. The detailed information of the bus is as the following:

To Hangzhou Huanglong Tourist Hub (3, Huanglong Road)
Departure time from Pudong Airport: 10:10, 12:00, 13:30, 15:30, 17:30, 19:30
Departure time from Hangzhou: 07:00, 08:30, 10:30, 12:30, 14:30, 16:00
Ticket Fare: CNY100
Time duration: about 3 hours

To Hangzhou Wulinmen CAAC Ticket Office (390, Xiyuchang Road)
Departure time from Pudong Airport: 08:40, 10:10, 11:40, 13:10, 14:40, 16:10, 17:50
Departure time from Wulinmen: 06:00, 07:30, 09:00, 10:30, 12:00, 13:30, 15:00, 16:00
Ticket fare: CNY85
Time duration: 3.5 hours