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