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