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