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