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