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