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