Hi,
The sex difference with senegals is the same as calyptratus. The males do not have spurs.
Further the hemipenis of sub adult males is already well developed comparred to females.
This is really difficult and based on any literature I've read I wouldn't dear to even guess which subspecies this is. Do you have any clue from which country this animal was imported.
I have to agree with Ferdy that this animal looks more as a female. It's true that their are several...
Colloration off the animals can change a lot. Bright and intens collors are often a sign of stress. My senegals also weren't bright collored all the time. But I see you took a pic outside a terrarium. As almost all chameleons senegals are not pets to handle a lot. I think this is not really good...