Menus are available under Plot: Column/Bar/Pie menu.
Buttons are available on 2D Graphs toolbar, .
How to:
Click AddSelect Columns... to add group info multiple grouping columns into Group List. You can modify the sequence in Group List by Move Up/Down and Remove.
Go to Plot Details: Plot Properties: Spacing tab, input Gap Between Subsets(%) to specify gap size between subgroups.
Click Graph: Exange X-Y Axes menu to turn a grouped column plot into grouped bar plot.
Note:
The size of input range and all the group ranges must be equal.