Welcome to Eorzea!

Unfortunately I'm on a different server, but a good place to look for a Free Company/linkshell (which is what player guilds are called in FFXIV) is in the section for your server (in your case, Zodiark) in the World forum, which can be found here: http://forum.square-enix.com/ffxiv/forums/1197-Zodiark as there are usually plenty of FCs/lses seeking new members there (just be aware that as you're a new player you're sadly limited to how many posts you can make on the forum at this time, but you can still view the forums and note down the names of any FCs/lses you're interested in, and make contact in game accordingly).

The most important thing though, is to have fun!