The ornamental design for a displayscreen with graphicaluser interface, as shown and described.
FIG. 1 is a front view of a display screen with a graphical user interface showing a first embodiment of our new design;
FIG. 2 is a front view of a display screen with a graphical user interface showing a second embodiment of our new design; and,
FIG. 3 is a front view of a display screen with a graphical user interface showing a third embodiment of our new design.
The dot-dash broken lines illustrate the display screen and form no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface that form no part of the claimed design.