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