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