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