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