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