Minimize Nodes (desktop & browser)

Toggle nodes from icons/shapes to a reduced size so that the edges in a graph are emphasized more than the nodes are

From the control panel select the Minimised Nodes tab then:

Minimise all by ticking the top level on Minimise by type
Minimise by node type by ticking the required types
Minimise by attribute value by expending the required attribute then ticking the values you wish to minimise

Once minimised refresh the layout of select a different layout for different edge only visualisations