A Couple Cayley Graphs
The following Open GL examples of Cayley Graphs were created using J. The J scripts are below.
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The free product on three generators, F_3
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The free product of z6 and z_3
Script for F_3 Script for Z_6 * Z_3

See also
· Paper with John Meier that shows several other Cayley Graphs [Abstract]
· Great software by Nathan Carter (et al) for visualizing finite groups using Cayley Graphs [Group Explorer]