Github user robertdale commented on the issue: https://github.com/apache/tinkerpop/pull/384 I think a mockup of the desired coloring effect would be nice to have. Currently elements just have toString called on them. I added a vertex.color and edge.color for demonstration purposes. Here's what it would look like. Let me know if that's worth committing. ![screenshot_2016-08-18_21-00-22](https://cloud.githubusercontent.com/assets/122206/17795525/12511530-6587-11e6-8427-71d6e033a026.png)
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