Well, you probably need to develop it.
If I had to do that, I would select one library or example I like and then I would use OrganizationLocalService to fetch the organization I want to show. Then recurse through the children and write the necessary html/js structure (whatever the library/example requires).
I did that once for users (users (or to be more precise, their group, can have "parents" too. I had an import job that connected the users and when clicking a user, I showed his place in a hierarchy using a simple css tree.
https://codepen.io/Pestov/pen/BLpgm
