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