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