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