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