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)(10,16)(14,15)(17,18,23,21)(19,24,22,29)(20,25,27,30)(26,31,28,32)(33,34,38,40)(35,41,43,37)(36,39,46,44)(42,47,48,45)(2,7)(4,15)(8,11)(10,13)(17,19,23,22)(18,24,21,29)(20,26,27,28)(25,31,30,32)(33,35)(34,37)(36,42)(38,43)(39,45)(40,41)(44,47)(46,48)(2,7)(3,12)(4,15)(5,16)(18,21)(19,22)(20,27)(31,32)(33,34,38,40)(35,37,43,41)(36,44,46,39)(42,47,48,45)(1,3,6,12)(2,8,7,11)(4,10,15,13)(5,14,16,9)(17,20)(18,25)(19,26)(21,30)(22,28)(23,27)(24,31)(29,32)(33,34)(35,37)(36,44)(38,40)(39,46)(41,43)(42,47)(45,48)(1,4,6,15)(2,9,7,14)(3,13,12,10)(5,8,16,11)(17,21,23,18)(19,24,22,29)(20,25,27,30)(26,32,28,31)(33,36,38,46)(34,39,40,44)(35,42,43,48)(37,45,41,47)(1,5,6,16)(2,10,7,13)(3,14,12,9)(4,8,15,11)(17,22,23,19)(18,24,21,29)(20,28,27,26)(25,31,30,32)(33,37)(34,35)(36,45)(38,41)(39,42)(40,43)(44,48)(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.