From Fedora Project Wiki

To connect to your account space using GNOME and the Nautilus file manager, follow these steps:

  1. From your Main Menu, choose Connect to Server....
  2. Fill out the resulting dialog as shown. Substitute your Fedora Account System username in the Folder and User Name fields.
    Nautilus SSH connection dialog for
    If desired, check the Add bookmark box and enter a bookmark name for later use.
  3. Drag and drop as desired.

To disconnect, right-click the sftp on icon on the desktop and choose Unmount volume.