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