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