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