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