These is a good local map originally posted on the SMCSO website.
Take Hwy 25 South through Louisville, toward Jackson. Turn right (west) on Hwy 16 and drive ~24 miles to Canton. Stay on 16 through downtown Canton and the road number changes to Hwy 22. Hwy 22 leads directly to I-55. Turn onto I-55 south.
Take Exit 108 (Hwy 463) from I-55 and turn left (East) at the top of the ramp. Turn right at the first lights (it takes you into a mall area; Grandview Blvd). After passing an Applebee's, look for a turn on the left. This road will take you into the Liberty Park complex. You should pass small soccer fields (U8), and then a baseball complex, before you reach the full-sized soccer fields.
Bring chairs - there is little or no bleacher seating (depending on the field used).