Working on paper
The most important thing to do when you are running data visualization project is to know in which direction you are going. The best piece of advice we can give you here is really to take a pen and paper and isolate yourself within a room.
You will then be away from potential distractions including news, phone and social networks.
Once you are alone just draw what you have in mind. It doesn't matter if you are not an artiste, the most important thing is to put things on paper.
You will have finish once you will start to be satisfied by the outcome.