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