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