Yes you can switch your S32K144EVB to work in 5V mode or 3.3V mode.
If you are powering your board through the microUSB port, then by default it should work in 5V mode.
Solution: (assuming you are powering your board through the microUSB port to a PC)
5V Mode:
- R63 is NOT populated
AND
- R64 is populated with 0 ohm resistor OR solder a male 3-pin header to J10 (by default not present) and plug a jumper between 2-3

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3.3V Mode:
- R64 is NOT populated
AND
- R63 is populated with 0 ohm resistor OR solder a male 3-pin header to J10 (by default not present) and plug a jumper between 1-2
