OK, here are the drivers you need if you don't have an add-on graphics card.
Graphics: If you want the driver and the catalyst control center, install the first file listed.
If you just want the graphics driver, then install the WDM driver.
http://support.amd.com/en-us/download/desktop/legacy?product=Legacy1&os=Windows Vista - 32
Audio:
Accept the agreement, download and install the first file on the list.
Windows 7 should install most of the hardware anyway but if it doesn't, the devices needing drivers will be listed in the device manager under the Other Devices category and will have ! marks next to them.
If you end up with any of those, click on them and post the hardware ID for the device and I will see if I can find a driver for it.
Use this guide for where to find the hardware ID.