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