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