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