Graph[{{{1, 6}}, {{2, 6}}, {{3, 6}}, {{4, 6}}, {{5, 6}}}, 
 {{{0, 0}, VertexColor -> RGBColor[0., 0., 1.]}, 
  {{0, 1}, VertexColor -> RGBColor[0., 0., 1.]}, 
  {{0, 2}, VertexColor -> RGBColor[0., 0., 1.]}, 
  {{0, 3}, VertexColor -> RGBColor[0., 0., 1.]}, 
  {{0, 4}, VertexColor -> RGBColor[0., 0., 1.]}, 
  {{1, 0}, VertexColor -> RGBColor[0., 0., 1.]}}]
