The ornamental design for a displayscreen with graphicaluser interface, as shown and described.
FIG. 1 is a front view of a display screen with graphical user interface showing my new design; and,
FIG. 2 is an alternative embodiment of the display screen with graphical user interface shown in FIG. 1.
The broken lines showing the display screen and the remainder of the graphical user interface illustrate environment and form no part of the claimed design.