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