No matter what your career goals are, you should develop a career plan through research, career counseling, volunteering, and internships. The Cal Poly Pomona Career Center is a good resource for formulating such a plan. Your English advisor is also a great source of information on jobs directly related to English.
Payscale’s 2010-11 College Salary Report: Popular Careers for English Majors
Career advice from other universities
Planning carefully for your post-graduation life can give you more options, and the best aid in doing that may be a book. Some titles that have been published in the past include:
Job opportunities from corporations and non-profits