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