Thank you for opening this post on community. I believe you can see services binding in design time of mashup in composer itself.
But for as of now there is no provision to export these kind of charts within xml or any other file. You can open this as an idea on community https://community.ptc.com/t5/ThingWorx-Ideas/idb-p/thingworxideas
Regards,
Mohit
Check out the upcoming Expert Session: Understanding ThingWorx Navigate Licensing in Community "Customer Events" section.