After you adjust the tilt of your saddle (only a tiny bit at a time), measure your sit bones.
After you measured your bones, measure your saddle. See if the saddle is the right width first and foremost.
If there was no problem before you added the gel cover, why did you add the gel cover?
Could be the saddle fits fine (check those measurements) but adding more padding just caused the padding to jam up into your hoo-ha and cause distress.
"If Americans want to live the American Dream, they should go to Denmark." - Richard Wilkinson