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