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