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