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