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