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