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