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