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