On Click Highlights cells

Hi

I have cells that I would like to highlight every time I click a cell.

I have managed to highlight the range of columns and cells when I click on a cell but the problem is I have different groups that would like to do that. What's happening is when I click on a cell it highlights the cells also on the other group.

A range would be columns and rows. Grouped in different areas of the same sheet and will have a gap in between.

I have attached the sample to give a clear idea. Conditional formatting is used.

Thank you very much.