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