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