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