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