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