MACAU TO GUANGZHOU

HI, WE'RE ARRIVING MACAU AIRPORT ON AUG23 AT 4PM.. WE'RE GOING STRAIGHT TO GUANGZHOU..WE DONT WANT TO ARRIVE GUANGZHOU VERY LATE, WHAT IS THE BEST WAY TO DO: WAIT FOR THE CTS BUS AT MACAU AIRPORT LAST TRIP AT 5:30PM OR JUST GO STRAIGHT TO GONGBEI BOARDER? IF YES, WHAT IS THE BEST WAY TO RIDE GOING TO GONGBEI BOARDER? TAXI OR BUS? HOW MUCH WOULD IT COST WE'RE 4 ADULTS.