These symptoms could happen as part of a Sensory Stroke or a Transient Ischemic Attack
(TIA) and hence you need to get it evaluated by your doctor immediately.Detailed evaluation is called for as risk of recurrent stroke
is higher in people with TIA and also considering your diabetic status.
Other possibilities could be Sensory Seizure or as part of a Migraine
aura.Your doctor is likely to advise you undergo a Neuroimaging
.Hope this helps!