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