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