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