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