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