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