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