15 lines (14 with data), 393 Bytes

//Draw a sphere at the node
AnyDrawNode drw={
  RGB=.rgb; //make reference to color
  ScaleXYZ={1,1,1}*.radius; //make reference to size
};
/*
//Use a AnyDrawvector to display a name
AnyDrawVector  DrawName = {
  Vec = {0.0,0,0};  //use zero length
  Line.Thickness = 1.1; //arbitary value
  Text = .Name; //make reference to name
  Line.RGB=.rgb;//make reference to color
};
*/