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