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