BetterCloud walks you through the Group creation process step-by-step.
Note: Make sure you have enabled Google Groups for Business in the Admin Console as seen here
Select the 'Create Groups' option on the left navigation of the directory under 'Groups'
Step 1: Setup New Group
- Name the group
- Create a Group Email
- Write a Group Description
- Edit Group Access

Step 2: Select Group Owners
- Group owners can add and remove collaborators to the group

Step 3: Review and Apply
Note: After you have created the group you will be prompted to add members to the group. 