To dream that you see the graffiti indicates the creative aspects of your personality. To know more about your dream, make sure you pay attention to the picture of the graffiti what was painted there, only then you will be able to interpreter your dream better.
Dream dictionary: foto graf dream meanings
If you are grafting something in a dream, then it shows the relationships you are making with those around you. The dream could also show the differences you are trying to put together.
To dream that you are painting something means that you are exploring the creative aspects of your personality. If you are painting the house, the walls or any other part of the building, it means that you are creating the space that is comfortable to be in. If you or other person is painting the graffiti on the public walls, it shows the aggression and anger issues the painter has.