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