It does have the option to install minimum shell (MinShell). This will provide access to Server Manager and the cmd.exe as shown below.
The GUI can be installed, that I know of, either using Server Manager or PowerShell.
To install using Server Manager, do Manage | Add Roles and Features. Hit on Next button using the default selection until you reach Features dialog. Under the feature User Interface and Infrastructure, select Server Graphical Shell.
|Figure 3. Feature dialog|
Progress the dialog/wizard window until completion.
Power users can also install the GUI using PowerShell, like: