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