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