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