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