digraph G {

  initial[label="", shape="circle"];
  pending[label="pending"];
  suspended[label="suspended", shape="box"];
  done[label="done", shape="box"];
  failed[label="failed", shape="box"];
  deleted[label="deleted", shape="box"];

  initial->pending [color="blue", label="trigger"];

  pending->done;
  pending->suspended [color="blue", label="suspend"];
  pending->failed [color="red", label="failure"];

  suspended->pending [color="blue", label="resume"];
  suspended->deleted [color="blue", label="force-delete"];

  failed->deleted [color="blue", label="delete"];
  done->deleted [color="blue", label="delete"];

}