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)(17,18,22,24)(19,23,26,20)(21,29,31,25)(27,28,32,30)(33,34,39,40)(35,43,44,41)(36,46,45,42)(37,38,47,48)(1,3)(2,6)(4,11)(5,10)(7,9)(8,14)(12,15)(13,16)(17,19,22,26)(18,23,24,20)(21,27,31,32)(25,30,29,28)(34,40)(35,44)(37,47)(42,46)(3,10)(6,7)(11,16)(14,15)(18,24)(19,26)(25,29)(27,32)(33,35,39,44)(34,41,40,43)(36,37,45,47)(38,46,48,42)(1,3)(2,7)(4,11)(5,10)(6,9)(8,15)(12,14)(13,16)(17,18)(19,23)(20,26)(21,25)(22,24)(27,30)(28,32)(29,31)(33,36,39,45)(34,42,40,46)(35,37,44,47)(38,43,48,41)(1,2)(3,6)(4,12)(5,9)(7,10)(8,13)(11,15)(14,16)(17,20,22,23)(18,19,24,26)(21,30,31,28)(25,32,29,27)(33,37)(34,38)(35,45)(36,44)(39,47)(40,48)(41,46)(42,43)(1,4)(2,8)(3,11)(5,13)(6,14)(7,15)(9,12)(10,16)(17,21)(18,25)(19,27)(20,28)(22,31)(23,30)(24,29)(26,32)(33,38)(34,37)(35,46)(36,43)(39,48)(40,47)(41,45)(42,44) 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.