A leak of more than 100,000 emails showed that the Guptas, friends of Zuma, hold significant influence over the awarding of government contracts.
The image shows President Zuma and the Gupta family abusing a woman who represents the country.
The president fired his popular finance minister to widespread criticism.
The report found evidence of possible corruption in regard to Zuma's relationship with the Gupta family.
Thuli Madonsela is probing the relationship between Jacob Zuma and the wealthy family.
Thuli Madonsela said the accusation was designed to stop her investigating President Zuma.
The Guptas are at the center of a row over political influence.