If this is a 57-step motor, who can tell me how to connect these colored wires?

This is a six-wire motor, and the corresponding driver is preferably a unipolar driver. You can measure which two wires are the A/B winding and determine which two wires are the male terminals of the AB winding, so that you can connect the terminals of the corresponding driver. If the motor operation does not meet the requirements, any winding can be replaced.

If there is only a bipolar driver, it can be connected as shown in the following figure, but pay attention to the setting of the driver output current. If the current setting is incorrect, the motor will overheat or have insufficient torque.

Schematic diagram of winding connection of two-phase stepping motor