Recruiters will want evidence that you can manage your own time, are flexible, resilient, and can improve yourself based on feedback. These are qualities that are developed over time; there are not really short-term 'quick fixes' in this area, as self-management skills are gained through longer-term activities. Ways to develop your self-management abilities include:
Doing any extra-curricular activities or part-time work in addition to your degree. This will signal to employers that you can balance various responsibilities and workloads.