How do you diagram this preposition all for our sins?

To diagram the preposition "all for our sins," start with "for" as the main preposition. Place "all" as a modifier under "for," indicating it describes the extent or inclusivity of the purpose. "Our sins" would be the object of the preposition "for," represented as a noun phrase where "our" modifies "sins." Overall, the diagram visually clarifies the relationship between the components.