For the Result Options Diagrams, when using the FEM results, due to too much superposition of lines and shapes, it could be interesting to turn off some directions, faces, or elements in the Diagrams Options.
It is important also to consider the View Options definitions, where, as in the image above, the option Draw FEM bodies is off while the Draw FEM Elements remain on.
More information about the two menus can be found at the links below: