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You can use list comprehension:

G = graphs.CirculantGraph(8,[1,2])
v = G.vertices()
u = [[0,4], [1,5], [2,6], [3,7], [0,5], [1,4], [2,7], [3,6]]
g = [G.subgraph(set(v) - set(s)) for s in u]

You can refer to the $i$-th subgraph by g[i]. You can loop around as usual in Python. For example,

for sg in g:
    show(sg)

or

for i in range(len(g)):
    show(g[i])