colour of ADP drawings

gents:
    in the ADP, i can make drawings with different colour, for example, equipments shows green, pipe shows yellow. but,when i export the drawing to .dxf in AUTODRAFT. all the lines are the same colour.
    so, is there any way to bring the colour of lines in ADP drawings to the AutoCAD drawings?

you will need to do a configurable dxf instead of the standard dxf.  There you have the ability to configure the layer migration into AutoCad.