For a graph made within kintone, you can obtain an embed tag of it.
(Please refer to the following link to how to obtain it:)
Put this tag into the element of a place that you want to show the graph at.
In your case, the element is the following:
If you would to like to put it in a different place, there are some elements listed on the following so please use it if needed:
I hope this helps a little.