Though the tv show ran for several years in America...
...there was no comic book based on it.
Rumor was that The Saint's creator Leslie Charteris was unhappy with 1940s-50s comics based on his novels and refused to allow one based on the tv show.
However, in England, there was a comic strip as part of the TV Tornado comic anthology weekly...
These weeklies had color covers and centerfolds, but the rest of the interiors were b/w.
TV Tornado later merged with other weeklies, first with Solo (from which this story was taken), then with TV Century 21.
The Saint strip survived both mergers, but ended in 1969 when The Saint tv series was cancelled.
Regrettably, both the artist and writer of the strip are unknown.