Is this what you want?

In Version 10, we can compute the convex hull using `ConvexHullMesh`

 p = {{2, 1, 6}, {4, 3, 0}, {5, 2, 5}, {3, 5, 4}}

 chull = ConvexHullMesh[p]

![Mathematica graphics](https://i.sstatic.net/kAeGO.png)

Which we can style using `HighlightMesh`

 Show[HighlightMesh[chull, Labeled[1, "Index"]], Graphics3D[{Red, Sphere[p, 0.1]}]]

![Mathematica graphics](https://i.sstatic.net/gTEdr.png)