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