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