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