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