Once you have created a post and saved it as a draft you can manage all of these under the Drafts Tab.
- Click on Posts -> Create Posts.
- Click on the Drafts tab beside the Create Post tab.
- You'll see a list of all of your saved posts.
- You can edit the draft by clicking on the pen icon.
- And if you don't want that draft anymore you can click on the dustbin icon to discard it or select the checkboxes on the left to delete them together clicking on the Delete button.
This is how you can manage all your drafts easily.