Deny the cleaning ladies entry, when they're gone, get a steam vac and remove the blood from the floor. Clean the blood off of her body, maybe buy her some cheap new clothes, then get her out to your car via the technique learned in this:
Sunglasses are a must, someone you trust may be necessary to help carry the load. Stuff her in the trunk then later seal her body in a vat of acid, Dahmer-style.