You can get in by bus from Krakow or Nowy Sacz. The company "Maxbus" has several buses per day departing from Krakow's Dworzec Glowny (Main station) for 12 zl.
Everything can be scene by walking, as it everything is relatively close
Visit the city center, also head for the church which is a couple hundred years old. It is also located in the city center. There are festivals during the year on special days. Head to the local pub, or clubs just outside the local center.
More informations: http://www.limanowa.regionalnie.pl
Try some authentic Polish cuisine in the city square.
There is a hotel close to the city center that is relatively cheap.