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