Are you 100% sure that you have installed v1.1.0 from https://github.com/Icinga/icingaweb2-module-graphite ?
because your graphs and interface look like those from this module: https://github.com/findmypast/icingaweb2-module-graphite
The latest official module version should look like:
Compare your issue to https://github.com/Icinga/icingaweb2-module-graphite/issues/176 where someone else also had no changes between the different time selections due to using the unofficial module.