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)(19,23)(20,24)(21,22)(25,27)(26,31)(28,32)(29,30)(33,34,39,43)(35,42,47,40)(36,41,37,38)(44,46,45,48)(1,3,6,4)(2,7,8,9)(5,11,14,12)(10,15,13,16)(17,19,22,25)(18,23,21,27)(20,26,30,28)(24,31,29,32)(33,35)(34,40)(36,44)(37,45)(38,46)(39,47)(41,48)(42,43)(2,8)(5,14)(7,9)(11,12)(18,21)(19,25)(24,29)(26,28)(33,36,39,37)(34,41,43,38)(35,44,47,45)(40,48,42,46)(1,4,6,3)(2,9,8,7)(5,12,14,11)(10,16,13,15)(17,20)(18,24)(19,26)(21,29)(22,30)(23,31)(25,28)(27,32)(33,37,39,36)(34,41,43,38)(35,45,47,44)(40,48,42,46)(1,2)(3,9)(4,7)(5,10)(6,8)(11,16)(12,15)(13,14)(17,19)(18,23)(20,28)(21,27)(22,25)(24,32)(26,30)(29,31)(33,35)(34,42)(36,45)(37,44)(38,46)(39,47)(40,43)(41,48) involution — undirected(1,5)(2,10)(3,11)(4,12)(6,14)(7,15)(8,13)(9,16)(17,21,22,18)(19,27,25,23)(20,29,30,24)(26,32,28,31)(33,38,39,41)(34,36,43,37)(35,46,47,48)(40,44,42,45)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.