Windows 10 32 bit is not supported for NUC6i5SYK. See here the supported Operating Systems:Supported Operating Systems for Intel® NUC Products . Therefore you should download and install Windows 10 64 bit version and then the drivers you can download here: Downloads for Intel® NUC Kit NUC6i5SYK
There *are* 32-bit versions of all of these driver packages. Check out the offerings on these pages:
Of course, since the 32-bit version of Windows 10 is not supported on the 6th or 7th generation NUCs, there has been absolutely no testing of this O/S or these drivers on these platforms. You are on your own - but let us know how it goes...