Compaq presario CQ57 VGA graphic driver 32bit

CQ57 is only part of the model number. Look underneath your laptop for the complete model number.
Then click that model number from the list on this page:

USA models
http://h20000.www2.hp.com/bizsupport/TechSupport/Produc...

If your exact model isn't listed above, try the UK website:
http://www8.hp.com/uk/en/support-drivers.html

This works a bit differently to the USA website:

Click "Drivers & Software".

Type Compaq Presario CQ57 into the white bar, then click "Search"
Wait for list to appear, then click your exact model from the list.

For HP support in other countries, click the link at bottom-left of page.