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