It's interesting to see Terry Tao grapple with the notion of Cayley Graph "Cayley Graphs and the Geometry of Groups" https://terrytao.wordpress.com/2010/07/10/

It's interesting to see Terry Tao grapple with the notion of Cayley Graph "Cayley Graphs and the Geometry of Groups" https://terrytao.wordpress.com/2010/07/10/cayley-graphs-and-the-geometry-of-groups/ https://terrytao.wordpress.com/2010/07/10/cayley-graphs-and-... The hypercube (or tesseract) is example of Cayley Graph since it can represent the group Z/2Z + Z/2Z + ... + Z/2Z https://en.wikipedia.org/wiki/Hypercube https://en.wikipedia.org/wiki/Hypercube