Step one:
First draw an oval.
Step 2:
Draw a semicircle on it and add an arc in the middle.
The third step:
Inside the oval, add these small circles as holes for water outlet. .
Step 4:
Then draw two horizontal and vertical lines on the side as pipes.
Step 5:
Draw some water drop shapes under the shower head.
Step 6:
Finally, apply a nice color and the shower head is ready.