There are a few programs available to begin the mapping and analysis of the social graph. 
Visone: In a long-term research project, the visone project team is developing models and algorithms to integrate and advance the analysis and visualization of social networks.
Part of visone is the design and implementation of a software tool intended for research and teaching in social network analysis. it is specifically designed to allow experts and novices alike to apply innovative and advanced visual methods with ease and accuracy.
NetDraw: NetDraw is a free program written by Steve Borgatti for visualizing both 1-mode and 2-mode social network data. It can handle multiple relations at the same time, and can use node attributes to set colors, shapes, and sizes of nodes.
