You can now save your graph style settings (colours, fonts, chart styles, titles etc). Simply click on the "Advanced Style Settings" button when defining a graph using the Data Analysis Wizard. These new options should speed up graphing, especially where you wish to apply common fonts, colours, titles etc. each time you run the report.

Set your chart style

Set your titles

Format your X axis

Format your Y axis

Format your graph legend

Format each series plotted