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