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