Graph Navigation

I am trying to set up Graph Navigation as per below documentation

https://community.aras.com/b/english/posts/getting-started-with-graph-navigation

But after adding the graph view to an itemtype. i set all the required as per documentation . when i open the Graph i see screen as mentioned below

But i wanted to get rid of those  ARAS ID's marked in yellow , i just want structure to be visible. can you help me fix it 

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