you are running your lighting supply wires around the switches, therefore the fan feed needs to come from the switch (to get a permeant)
As you have drawn it, the shaver socket will only have power with the lights on, if you want to change this, take the power from the switch or fan isolator
As you have drawn it, the shaver socket will only have power with the lights on, if you want to change this, take the power from the switch or fan isolator