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