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