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