The ornamental design for a displayscreen with graphicaluser interface, as shown and described.
The FIGURE is a front view of a display screen with graphical user interface showing the new design.
The outer broken lines illustrate a display screen and an electronic device, and the remainder of the broken lines; the tank, the circle, the quarter circle with icon, and the remainder of the display screen illustrate portions of the graphical user interface. None of the broken lines form part of the claimed design.