To change the order of your collection menu, simply go a head and:
Log into your SupaDupa admin
Click on the Settings tab and choose Menus
From here, go into your collection menu
Identify the collection you would like to move and click on the arrow seen on the left hand side of the collection name.
Drag and drop the collection row into the order you would it to be appear in.
In this example, the 'Women' collection has been moved from the top of the order list to the bottom
Finally, click 'Save changes'
That's it - you're one. You should now notice in your live store your collection menu appears in it's correct order.
Want to change your product order? Check out: How can I change my product order