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