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