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