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