With the Careers Network part of the university website their is a section purely for international students, with information and resources to help you achieve your career aims. Some of the resources include:
Marketing yourself to effectively to UK employers
Marketing yourself effectively to employers in your Home Country
Preparing yourself for work after your studies: Undergraduate Students
Preparing yourself for work after your studies: International Students
Example CV for an international student
Example covering letter for an international student
Example covering letter to accompany a speculative application