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