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