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