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