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