Nope. Just a mix up.
My guess is the women are Tri Sigmas. Alpha Chi Omega does not have a chapter or was ever chaptered at Murray State. And this particular article - which is from 2003 - is mainly about Sigma Sigma Sigma. Also, the building behind the women is not the Tri Sigma House but the Pogue Library.
Here is the picture that accompanied the 2003 Homecoming article
Campus club joins national fraternity regarding Alpha Tau Omega.