Create a vibrant, stylized digital graffiti artwork of a Rubik's Cube rendered in a pop art style. Each face of the cube is covered in a unique, colorful, and intricate graffiti-inspired mural. The artwork features a mix of abstract, cartoonish, and futuristic elements. The colors are bold and vibrant, with each face of the cube showcasing a different design, from geometric patterns to whimsical characters and futuristic motifs. The overall composition is dynamic and eye-catching, creating a lively and energetic atmosphere.