var nodes = [ { name: 'node-1', category: 'red' }, { name: 'node-2', category: 'blue', label: { show: false } } ]; var edges = [ { source: 'node-1', target: 'node-2' } ]; option = { series: [ { type: 'graph', layout: 'force', symbolSize: 40, force: { repulsion: 100, edgeLength: 40 }, label: { show: true, color: '#00ff00' }, categories: [ { name: 'red', itemStyle: { color: '#ff0000' }, label: { show: false } }, { name: 'blue', itemStyle: { color: '#0000ff' } } ], nodes: nodes, edges: edges } ] };