One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,9)(4,12)(5,6)(7,10)(8,13)(11,14)(15,16)(33,34,37,41)(35,40,42,38)(36,39,45,48)(43,47,44,46)(2,6)(7,9)(8,12)(14,15)(17,18,22,23)(19,24,27,32)(20,25,30,29)(21,26,31,28)(35,42)(38,40)(43,44)(46,47)(2,6)(3,10)(4,13)(14,15)(18,23)(19,27)(20,30)(21,31)(33,35,37,42)(34,38,41,40)(36,44,45,43)(39,47,48,46)(1,3)(2,7)(4,11)(5,10)(6,9)(8,14)(12,15)(13,16)(17,19)(18,24)(20,26)(21,29)(22,27)(23,32)(25,31)(28,30)(33,36,37,45)(34,39,41,48)(35,43,42,44)(38,46,40,47)(1,2)(3,9)(4,8)(5,6)(7,10)(11,15)(12,13)(14,16)(17,20)(18,25)(19,28)(21,24)(22,30)(23,29)(26,27)(31,32)(33,35)(34,40)(36,44)(37,42)(38,41)(39,46)(43,45)(47,48) involution — undirected(1,4,5,13)(2,8,6,12)(3,11,10,16)(7,14,9,15)(17,21)(18,26)(19,29)(20,24)(22,31)(23,28)(25,27)(30,32)(33,34)(35,40)(36,39)(37,41)(38,42)(43,47)(44,46)(45,48)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.