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