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