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