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