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