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