I've installed DirXML 1.1 and eDirectory 8.6.2 and used the default driver that is delivered with DirXML 1.1 (the Delimited Text-File driver).
This stylesheet, called ETS-Groups, is designed to be placed in the Publisher Channel.
ETS-Groups does the following:
For example, if a user has an attribute 'Manager' it will search the complete eDirectory for groups with a CN=Manager,...
If a group that matches CN=Manager is found, it will show a message in DStrace that the Group has been found... The user will then be added to this group.
If the stylesheet does not find a group that corresponds to CN=Manager, it will create the group and then add the user to the newly created group.
In this way the User will always be associated to a Group named 'Manager'.
The stylesheet is well commented and works fine on my test systems.