Eloquent doesn't need any configuration, it already works with any DB you already have. You just need to setup your relations and it's good.
If you are asking about automatically creating model files and relations, no I don't believe there is. And it would be tricky to do without foreign keys and even then still quiet tricky to do automatically.
Long shot but re-do your entity diagram in here http://www.laravelsd.com/ and you can download it.
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