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