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