From the menu click on 'My Area' and then select 'My Events', click on the event name to view the event details page. From the event details page you just need to click on the 'Download Catalogue' button and this will download the document which you can then print out or view on your device.
When the club has uploaded the catalogue they may also set a release date and time, when this occurs the system will also send you an email to let you know it's ready to download. From the event details page the system will also display when the catalogue will be available for download as seen in the screenshot below.
Keep an eye out for the email or try the instructions above.