cycle2-3.gv

digraph cycle1 {

  # a 'graph' statement
  graph [overlap = false, fontsize = 10, 
         layout = circo, colorscheme = svg,
         size="9,15!" ]

  node [shape = circle,
        fixedsize = true,
        style= filled,
        width = 0.9] // sets as circles
        
  edge [penwidth = 5]

  node [fillcolor = firebrick, label="Plan", pos = "0,0!"]
  plan

  node [fillcolor = orange, label="Collect"]
  collect 

  node [fillcolor = mediumseagreen, label="Process"]
  process
  
  node [fillcolor = goldenrod, label="Analyze"]
  analyze
  
  node [fillcolor = mediumpurple, label="Preserve"]
  preserve
  
  node [fillcolor = lightskyblue, label="Share"]
  share
  
  node [fillcolor = dodgerblue, label="Reuse"]
  reuse
  
  node [style=invis]
  invis1

  # several 'edge' statements
  edge [color = grey]
  plan -> collect 
  collect -> process [style=invis]
  process -> analyze 
  analyze -> invis1 -> share [style=invis]
  share -> reuse
  reuse -> plan [style=invis]
}