How to make Database Diagram visually show Foreign Keys in Management Studio?

I'm reviewing this database and creating the foreign keys, believe me they did not exist. I'm using SSMS to visually let me know what foreign keys are missing and also create them. Is there any configuration to let the diagram designer show if a specific column is already part of a foreign key? That would help me identify missing FKs faster.

This is how it's showed currently:

This is what I'm looking for (or something like that):

I just need some visual indicator (like I've seen in other tools) that shows me if a column is part of a FK.