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