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