One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,7,12)(3,13,16,24)(4,9,20,27)(5,11,6,10)(8,17,23,15)(14,29,30,25)(18,32,31,22)(19,28,21,26)(33,34,40,47)(35,48,53,82)(36,54,59,91)(37,44,62,79)(38,43,63,80)(39,45,61,46)(41,66,71,50)(42,72,77,57)(49,73,85,95)(51,70,60,69)(52,68,64,78)(55,92,88,67)(56,76,93,75)(58,74,65,90)(81,86,89,84)(83,94,87,96)(1,3)(2,8)(4,18)(5,17)(6,15)(7,16)(9,25)(10,24)(11,13)(12,23)(14,19)(20,31)(21,30)(22,26)(27,29)(28,32)(33,35,40,53)(34,41,47,71)(36,55,59,88)(37,60,62,51)(38,50,63,66)(39,64,61,52)(42,73,77,95)(43,78,80,68)(44,48,79,82)(45,70,46,69)(49,65,85,58)(54,89,91,81)(56,87,93,83)(57,86,72,84)(67,76,92,75)(74,94,90,96)(1,4)(2,9)(3,14)(5,19)(6,21)(7,20)(8,22)(10,26)(11,28)(12,27)(13,25)(15,18)(16,30)(17,31)(23,32)(24,29)(33,36,40,59)(34,42,47,77)(35,49,53,85)(37,57,62,72)(38,56,63,93)(39,65,61,58)(41,67,71,92)(43,54,80,91)(44,74,79,90)(45,76,46,75)(48,81,82,89)(50,86,66,84)(51,87,60,83)(52,88,64,55)(68,96,78,94)(69,95,70,73)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.