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