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