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