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