With modules data downloaded you can created feeds for a Contact Form 7 form to do mapping between form fields and Zoho fields.
You may create multiple feeds for a single form to post different data to different module. The plugin also supporting mapping multiple form fields to a same Zoho field.
Go to Dashboard-->Contact-->Contact Forms to edit a form.
There is a new tab of "Zoho CRM" when edit the form. Click the tab you'll see button "Add New"
For a feed you need give it name and choose the module which you'd like to create record in it.
Once you choose the module then all fields in the module will be displayed out to let you do form mapping.
Zoho module fields organised by Layout, Section structure to let you find field easily. If you have multiple layouts in your Zoho and all will be listed out.