Yes, we have just published this blog post on the subject of Wardley maps and Wardley mapping and diagrams in draw.io. Please take a look and let us know if you need further help:
How to create Wardley Maps in Confluence with draw.io
Fore more general info on draw.io for Confluence or Jira, please refer to our draw.io webpage.
And some more great blogposts! Blog - draw.io