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