Barcelona seems not to play their tiki-taka style as it happened to be during Guardiola's era. They have modified their footballing style. once they go to the half of the opponents, you can see some short passes mixed with some quick long passes. May be that is the reason PSG was not able to withstand the pressure from the catalans.
An opener volley from Neymar marked a good start of their 3-1 victory. Suarez showed to us as to why Barca bought him from Liverpool.