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