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