As far as I know there isn't one specific wiring diagram for your vehicle. VW separate the wiring diagrams for all the different areas, e.g. the basic equipment, engine sensors, ABS, fuses, etc.
You'd probably need the "standard" engine sensor wiring diagram if anybody has a copy of it. This should have all the sensors fitted to your engine & the connecting wiring, but you may need additional diagrams as some of the wiring may be interlinked with other circuits.