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