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)(35,43)(36,41)(37,42)(38,39)(40,44)(45,48)(46,47)(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)(35,44)(37,45)(40,43)(42,48)(2,9)(3,4)(10,16)(11,12)(17,20,23,22)(18,25,27,31)(19,29,30,26)(21,28,32,24)(33,35,39,44)(34,40,38,43)(36,45,47,37)(41,42,46,48)(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)(33,36,39,47)(34,41,38,46)(35,37,44,45)(40,48,43,42)(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)(33,37)(34,42)(35,36)(38,48)(39,45)(40,46)(41,43)(44,47)(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)(33,38,39,34)(35,43,44,40)(36,46,47,41)(37,42,45,48)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.