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